m74hc4543m1r STMicroelectronics, m74hc4543m1r Datasheet

m74hc4543m1r

Manufacturer Part Number

m74hc4543m1r

Description

Bcd To 7 Segment Latch/decoder/lcd Driver

Manufacturer

STMicroelectronics

Datasheet

1.M74HC4543M1R.pdf (12 pages)

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DESCRIPTION

The M54/74HC4543 is a high speed CMOS BCD-

TO-7 SEGMENT DECODER WITH LCD DRIVER

fabricated in silicon gate C

speed latch and decode operation 120 times as fast

as standard CMOS 4511B while CMOS low power

consumption in maintained. This device consist of

BCD-TO-7 segment decoder with a BCD input latch

and a 7-segment driver for a liquid crystal display

(LCD). When any illegal BCD input signal is applied

or input BI is held high, the display is blanked. When

driving LCDs, a common square wave signal should

be applied not only to the PH input of this device but

also to the electrically common backplane of the dis-

play. For other types of readouts, such as light-emit-

ting diode (LED), some additional drivers, such as

a transistor array is required. All inputs are equipped

with protection circuits against static discharge and

transient excess voltage.

February 1993

HIGH SPEED

LOW POWER DISSIPATION

HIGH NOISE IMMUNITY

OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

SYMMETRICAL OUTPUT IMPEDANCE

BALANCED PROPAGATION DELAYS

WIDE OPERATING VOLTAGE RANGE

PIN AND FUNCTION COMPATIBLE

WITH 4543B

PLH

NIH

= 7 ns (TYP.) AT V

= 4 A (MAX.) AT T

| = I

= t

(OPR) = 2 V TO 6 V

= V

PHL

NIL

= 4 mA (MIN.)

BCD TO 7 SEGMENT LATCH/DECODER/LCD DRIVER

= 28 % V

(MIN.)

= 5 V

MOS technology. High

= 25 C

NC =

No Internal

Connecti o n

(Plastic Package)

(Micro Package)

M54HC4543F1R

M74HC4543B1R

PIN CONNECTIONS (top view)

M1R

B1R

ORDER CODES :

M54HC4543

M74HC4543

M74HC4543M1R

M74HC4543C1R

(Ceramic Package)

(Chip Carrier)

C1R

F1R

1/12

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m74hc4543m1r Summary of contents

Page 1

... All inputs are equipped with protection circuits against static discharge and transient excess voltage. February 1993 M54HC4543 M74HC4543 B1R (Plastic Package) (Ceramic Package) M1R (Micro Package) (Chip Carrier) ORDER CODES : M54HC4543F1R M74HC4543M1R M74HC4543B1R M74HC4543C1R PIN CONNECTIONS (top view Internal Connecti o n F1R C1R 1/12 ...

Page 2

M54/M74HC4543 TRUTH TABLE INPUTS ...

Page 3

DISPLAY MODE INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 12 LD Latch Disable Input (Active HIGH Address (Data) Inputs 6 PH Phase Input (Active HIGH ...

Page 4

M54/M74HC4543 ABSOLUTE MAXIMUM RATING Symbol Parameter V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Source Sink Current Per Output ...

Page 5

DC SPECIFICATIONS Test Conditions Symbol Parameter V CC (V) V High Level Input 2.0 IH Voltage 4.5 6.0 V Low Level Input 2.0 IL Voltage 4.5 6.0 V High Level 2 Output Voltage 4.5 V 6.0 V 4.5 ...

Page 6

M54/M74HC4543 AC ELECTRICAL CHARACTERISTICS (C Test Conditions Symbol Parameter V CC (V) t Output Transition 2.0 TLH t Time THL 4.5 6.0 t Propagation 2.0 PLH t Delay Time PHL 4.5 (BCD - OUT) 6.0 t Propagation 2.0 PLH t ...

Page 7

SWITCHING CHARACTERISTICS TEST WAVEFORM M54/ M74HC4543 7/12 ...

Page 8

M54/M74HC4543 Plastic DIP16 (0.25) MECHANICAL DATA DIM. MIN. a1 0. 8/12 mm TYP. MAX. MIN. 0.020 1.65 0.030 0.5 0.25 20 8.5 2.54 17.78 7.1 5.1 3.3 1.27 ...

Page 9

Ceramic DIP16/1 MECHANICAL DATA mm DIM. MIN. TYP 3.3 E 0.38 e3 17.78 F 2.29 G 0.4 H 1.17 L 0. 7.8 Q M54/ M74HC4543 inch MAX. MIN. TYP 0.130 0.015 ...

Page 10

M54/M74HC4543 SO16 (Narrow) MECHANICAL DATA DIM. MIN 0 0. 9 3.8 G 4 10/12 mm TYP. MAX. MIN. 1.75 0.2 0.004 1.65 ...

Page 11

PLCC20 MECHANICAL DATA mm DIM. MIN. TYP. A 9.78 B 8.89 D 4.2 d1 2.54 d2 0.56 E 7.37 e 1.27 e3 5. 1.27 M1 1.14 M54/ M74HC4543 inch MAX. MIN. TYP. 10.03 0.385 9.04 0.350 ...

Page 12

M54/M74HC4543 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from ...

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